Atlas Copco Exploration Products

Diamec U6 – Core drilling rigs

Technical specification

Reliable and powerfulDiamec U6 is equipped with:• A direct acting feed cylinder for improved control and

decreased service needs.

• A rod holder with long life gas cartridge for wide opening and high clamping force, easy to remove for service/replacement and equipped with redundant seals for improved safety.

• Updated rotation unit design, with more drilling power, increased reliability and longer service intervals.

• A newly designed power unit PU6E (90kw) enabling full utilization of the rig which results in higher rpm and penetration rates to the bottom of the hole.

Safe and ergonomic• The feed frame guard prevents risks of accidents.

• The APC control panel is equipped with a joystick and a rotary encoder combined with a touch screen which provides exellent ergonomic control of the rig.

• An E-stop on the rig is standard.

Enables one man operation• The unique positioner design makes setup fast and easy.

• Operation requires no moving of the wireline hoist, from vertical down to vertical up drilling.

• With all necessary drilling parameters the APC computer takes over control and maintains the penetration rate. It acts instantly on any change in rock formation that calls for adjustment in feed force, rotation speed or torque.

Modular design• There is a wide choice of selections regarding feed

frames, rotation units and possible options, in order to match a wide range of different applications.

2

Turn tableBy using the turn table, the drilling unit can be turned 360° horizontally in relation to the skid frame, en-abling easy rig set up in confined spaces.

APC CONTROL SYSTEM

A touch screen and a single control knob are provided for easy input and adjustment of control parameters. A joystick is provided for manual con-trol of wireline, fast travel, and rota-tion. The APC have functions such as automatic drilling of complete run, automatic rod running controlled with foot pedal, automatic wireline and in-pumping, powerful self-diag-nostics, screen display of manuals and parts lists, and remote trouble shooting. The weight of the APC panel is 24 kg (53 lb).

PHC CONTROL SYSTEM

The pilot hydraulic control system enables high flow and pressure while maintaining a compact and light design of the control panel.The PHC control panel contains the valves which control direction and speed (continuously variable) of ro-tation, fast travel and wireline hoist. The special design prevents release of the chuck before the clamp has fully gripped the rods and vice ver-sa. A power float system prevents thread wear when making and breaking rods. Gauges are provided for rotation pressure, bit weight, wa-ter pressure, water flow and an elec-tronic tachometer gives continuous readout of bit rpm. The weight of the panel together with hoses is 110kg (243 lb).

Specifications

Rod holderThe rod holder is hydraulically opened and closed by gas pressure. In case of loss of hydraulic pressure the rod holder closes instantly. The gas pressure can be conveniently monitored.

Max rod size 89 mm* 3.5 in

Bore (without jaws) 102 mm 4.0 in

Bore (without covers) 170 mm 6.7 in

Axial holding force 45 kN 10 120 lbf

Axial holding force TC inserts 90 kN 20 240 lbf

* Can hold 114 mm (HW Casing) with optional covers.

Feed frameThree different feed frames are available. Equipped with direct working feed cylinder giving the

same force in both directions.

850

Feed length 850 mm 33,5 in

Feed force/Pull force 65 kN 14 600 lbf

Feed speed 1,0 m/s 3,28 fps

1800

Feed length 1 800 mm 71 in

Feed force/Pull force 65 kN 14 600 lbf

Feed speed 1,0 m/s 3,28 fps

1800 deep hole

Feed length 1 800 mm 71 in

Feed force/Pull force 89 kN 20 010 lbf

Feed speed 0,8 m/s 2,62 fps

Control system alternatives

Flush pump alternativesTRIDO flush pumps are designed for both mud and water flushing. The distribution block is prepared for mounting of accumulator, ad-justable steady flow valve and other optional equipment.

TRIDO 80H

Flow 80 l/min 21 gpm

Pressure 63 bar 915 psi

Weight 115 kg 254 lb

TRIDO 140H

Flow 140 l/min 37 gpm

Pressure 70 bar 1000 psi

Weight 210 kg 463 lb

Wireline hoistMounted on the positioner, not necessary to move when changing drilling angle. Adjustable level wind angle.

Capacity (4,75 mm/ wire) 1300 m 4264 ft

Pull min (full drum) 4 kN 899 lbf

Pull max (empty drum) 10 kN 2248 lbf

Line speed min (empty drum) 102 m/min 335 fpm

Line speed max (full drum) 256 m/min 840 fpm

Weight (without wire) 120 kg 265 lb

3

Rotation unitThe rotation unit is available in two sizes, A-N and B-H, they are easily interchangeable. The rotation unit consists of a hydraulic motor, a sealed gear box, a hollow spindle and an Atlas Copco patented hy-draulic chuck. The chuck grips the rod by hydraulic pressure, which is adjustable. The chuck jaws are of quick change type. The rotation speed is adjustable from the control console. The chuck and rod holder are synchronized. The B-H rotation unit is available with two different hydraulic motors to cover a large RPM-Torque area.

80CC A-N

Max rotation 1 640 rpm

Max torque 1 080 Nm 796 ft lbf

Spindle inner diameter 78 mm 3.1 inch

Chuck axial holding force 100 kN 22 480 lbf

Weight 162 kg 357 lb

110CC B-H

Max rotation 1 380 rpm

Max torque 1 590 Nm 1 173 ft lbf

Spindle inner diameter 101 mm 4.0 inch

Chuck axial holding force 150 kN 33 720 lbf

Weight 254 kg 560 lb

160CC B-H

Max rotation 1 190 rpm

Max torque 2 300 Nm 1 696 ft lbf

Spindle inner diameter 101 mm 4.0 inch

Chuck axial holding force 150 kN 33 720 lbf

Weight 280 kg 617 lb

Power unitsThere are two different power units available, one electric and one diesel version. They have two variable flow hydraulic pumps, mount-ed in tandem. The electric version is supplied with a 130 liter (34,4 gal) oil tank, and the diesel version is equipped with a 120 liter (31,7 gal) oil tank. Both are equipped with a water type oil cooler and fil-ters. An air type of oil cooler is available as option for the electric ver-sion, and standard on the diesel version. Length of hoses between rig and power unit is 7 m (275”).

ELECTRIC VERSION PU6E

Rating at 1 450 rpm 90 kW* 122 hp

Main pump

Max flow 200 l/min 52.8 gpm

Max pressure 315 bar 4 569 psi

Service pump

Max flow 65 l/min 17.2 gpm

Max pressure 240 bar 3 481 psi

* Due to intermittent drilling cycles, higher power than 90 kW can occur.

Electric power unit, dimensions and weight

A 1 845 mm 73 in

B 1 250 mm 49 in

C 790 mm 31 in

Weight 1 050 kg 2 315 Ib

A

B

C

500

1000

1500

2000

2500

400 800 1200 1600

Torque (Nm)

rpm

80cc A-N

110cc B-H

160cc B-H

Optional eqipment and accessories

Bracing deviceDevice suitable for use in narrow tunnels and drifts. It allows simple anchoring of the feed frame between the floor and roof/wall of the gallery, drift or tunnel.

Wheel kits For both rig and power unit.

Wireline sheave For steep up hole drilling.

Air/Oil cooler Air cooled heat exchanger for cooling of the hydraulic oil.

Water collector The water collector seals against the rock face and allows collection of flush water and cuttings.

Casing bracket The casing bracket and casing clamps are used to help guide the rig on a casing tube.

Extra feed extension

With the optional 5 m feed extension tubes, the total length of the feed frame can be increased to 7,5 m. (Standard length 3,5–4,5 m.)

Keyhole wall bracket Available for both A-N and B-H size.

DIESEL VERSION PU6D

Rating at 1 800 rpm 153 kW 205 hp

Main pump

Max flow 200 l/min 52.8 gpm

Max pressure 315 bar 4 569 psi

Service pump

Max flow 85 l/min 23 gpm

Max pressure 240 bar 3 481 psi

Diesel power unit, dimensions and weight

A 2 540 mm 100 in

B 2 330 mm 92 in

C 1 200 mm 47 in

Weight 2 200 kg 4 850 Ib

Atlas Copco Geotechnical Drilling and Exploration www.atlascopco.com

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Transport dimensions850 1 800

Dimension mm in mm in

A 3 300 130 3 800 154

B 2 100 83 2 100 83

C 2 700 106 2 700 106

D 1 100 43 1 100 43

Measurements & weights

Drill depth capacity Standard Deep hole

Drill rod m ft m ft

A 1 300 4 265 – –

B 1 000 3 281 1 300 4 265

N 750 2 625 900 2 953

H 450 1 476 600 1 969

WeightsA-N Rot B-H Rot

Rig type kg Ib kg Ib

850 PHC 1 850 4 078 1 950 4 300

850 APC 1 700 3 748 1 800 3 968

1 800 PHC 1 950 4 300 2 050 4 519

1 800 APC 1 800 3 968 1 900 4 189

1 800 DH PHC 2 000 4 409 2 100 4 630

1 800 DH APC 1 850 4 078 1 950 4 300

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The above drill depth capacities only serve as guidelines and refer to verti-cal down drilling. Atlas Copco cannot guarantee that these results can be achieved in all drilling conditions.

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Working dimensions850 1 800

Dimension mm in mm in

A 2 842 112 3 598 142

B 2 842 112 3 598 142

C 3 732 147 4 488 177

D 2 832 111,5 3 588 141

E 3 722 147 4 478 176

Above weights are valid for a complete drill rig including hydraulic hoses.